``As part of his investigation, Schuette reviewed documents filed in Michigan and prepared by DocX, a document processing company located in Georgia. DocX processed mortgage assignments and lien releases for residential lenders and servicers nationwide. Schuette's investigation revealed that former DocX president Lorraine Brown, 51, of Alpharetta, Georgia, allegedly established and orchestrated a widespread scheme of "robo-signing," a practice in which employees were directed to fraudulently sign another authorized person's name on mortgage documents in order to execute these documents as quickly as possible. ''